2012Final results
2012 election for Idaho Legislative District 20
Idaho State Senate · Idaho
Chuck Winder (R) won with 68.4% of the vote, defeating James Mace (D) by 36.7 points.
Chuck WinderRepublican · winner · incumbent
68.4%12,303
James MaceDemocrat
31.6%5,695
17,998 votes
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET
The seat over time
D − R margin in this seat's races around 2012
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET